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1.发明授权公开(公告)号：US11625273B1
公开(公告)日：2023-04-11
申请号：US16199037
申请日：2018-11-23
发明人： Mostafa Elhemali , Dolev Ish-am , Jonathan L. Meed , Richard Krog , Adel Gawdat , Kai Zhao , Saumil Ramesh Hukerikar
摘要： Throughput capacity may be changed to sustain throughput for accessing individual items in a database. A table hosted at storage nodes that provide access to the table in a database may be identified as allocated with a client-specified throughput capacity for accessing the table. Performance of access requests to the table at the storage nodes may be tracked. Based on the performance of the access requests, a change may be determined that modifies a throughput capacity for the table to sustain a guaranteed throughput for each access request independent of other access requests received for the table.
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公开(公告)号：US12007977B1
公开(公告)日：2024-06-11
申请号：US17936967
申请日：2022-09-30
发明人： Omendra Pratap Singh , Jiancheng Wang , Mostafa Elhemali , Sroaj Sosothikul , Jhansi Lakshmi Kolla , Wan Man Ryan Chan , Somasundaram Perianayagam
IPC分类号： G06F16/23
CPC分类号： G06F16/2358
摘要： Selective application of log records may be performed. A target storage node for a new replica being added to a replica group for a database may obtain a paginated result of a scan of ordered items of the database from a source. The paginated result may have a log sequence number that corresponds to a replica log consistent with the paginated result. The target storage node may obtain log records from the replication log after the log sequence number for the paginated result. The target storage node may selectively apply the log records from the replication log according to one or more application rules that determine whether to ignore a change described in a log record.
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